To implement this tweak:

To set this to Strong, type (or copy and paste) the following command:

defaults write NSGlobalDomain AppleFontSmoothing -integer 4

To set this to Smoother, type (or copy and paste) the following command:

defaults write NSGlobalDomain AppleFontSmoothing -integer 3

To set this to Medium, type (or copy and paste) the following command:

defaults write NSGlobalDomain AppleFontSmoothing -integer 2

To set this to Minimal, type (or copy and paste) the following command:

defaults write NSGlobalDomain AppleFontSmoothing -integer 1

To set this to Disabled, type (or copy and paste) the following command:

defaults write NSGlobalDomain AppleFontSmoothing -integer 0

To reset this setting to the default value, type (or copy and paste) the following command:

defaults delete NSGlobalDomain AppleFontSmoothing

To activate this tweak please reboot the system.

Close the Terminal session by typing exit at the prompt.

Disclaimer: Making any changes to your system can cause serious problems that may require you to reinstall your operating system. We cannot guarantee that problems resulting from these modifications can be resolved. Please follow the instructions carefully and use the information provided at your own risk.